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All results from a given calculation for C4H5N ((Z)-2-Butenenitrile)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-209.894880
Energy at 298.15K-209.899301
Nuclear repulsion energy140.619394
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3128 3092 4.21      
2 A 3103 3068 8.74      
3 A 3078 3042 1.34      
4 A 2972 2938 8.12      
5 A 2238 2212 17.79      
6 A 1639 1620 16.18      
7 A 1435 1419 20.84      
8 A 1380 1365 9.29      
9 A 1348 1333 4.89      
10 A 1223 1209 0.63      
11 A 1090 1078 0.14      
12 A 950 940 16.77      
13 A 893 883 3.99      
14 A 647 640 1.57      
15 A 380 376 0.19      
16 A 151 149 4.25      
17 A 3030 2996 6.13      
18 A 1432 1415 11.10      
19 A 1021 1009 0.46      
20 A 942 931 0.50      
21 A 724 716 41.04      
22 A 513 507 4.73      
23 A 278 275 2.58      
24 A 150 148 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 16871.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 16679.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-31+G**
ABC
0.40071 0.11305 0.08965

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.225 0.256 0.000
N2 -2.246 -0.331 0.000
C3 0.000 0.991 0.000
H4 -0.096 2.082 0.000
C5 1.223 0.404 0.000
H6 2.093 1.072 0.000
C7 1.496 -1.066 0.000
H8 0.571 -1.661 0.000
H9 2.097 -1.346 0.884
H10 2.097 -1.346 -0.884

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17831.42852.14662.45193.41693.02492.62673.79213.7921
N21.17832.60673.23223.54594.56063.81363.11504.54664.5466
C31.42852.60671.09511.35642.09482.54342.71323.26203.2620
H42.14663.23221.09512.13452.41153.52763.80234.16444.1644
C52.45193.54591.35642.13451.09721.49472.16572.14652.1465
H63.41694.56062.09482.41151.09722.21913.12852.57422.5742
C73.02493.81362.54343.52761.49472.21911.10061.10501.1050
H82.62673.11502.71323.80232.16573.12851.10061.79161.7916
H93.79214.54663.26204.16442.14652.57421.10501.79161.7682
H103.79214.54663.26204.16442.14652.57421.10501.79161.7682

picture of (Z)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.930 C1 C3 C5 123.365
N2 C1 C3 178.931 C3 C5 H6 116.854
C3 C5 C7 126.201 H4 C3 C5 120.705
C5 C7 H8 112.226 C5 C7 H9 110.419
C5 C7 H10 110.419 H6 C5 C7 116.945
H8 C7 H9 108.645 H8 C7 H10 108.645
H9 C7 H10 106.285
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.080      
2 N -0.478      
3 C 0.255      
4 H 0.183      
5 C 0.052      
6 H 0.163      
7 C -0.678      
8 H 0.199      
9 H 0.192      
10 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.193 1.100 0.000 4.335
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.875 -2.621 0.000
y -2.621 -27.581 0.000
z 0.000 0.000 -31.438
Traceless
 xyz
x -6.365 -2.621 0.000
y -2.621 6.076 0.000
z 0.000 0.000 0.289
Polar
3z2-r20.579
x2-y2-8.294
xy-2.621
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.706 0.012 0.000
y 0.012 7.437 0.000
z 0.000 0.000 5.152


<r2> (average value of r2) Å2
<r2> 128.262
(<r2>)1/2 11.325